Jiang Yu, Ph.D.

• Leadership: Lead a high-impact team of tech leads, applied researchers, and engineers advancing ML/IR for core search, Agentic Search, and Module Arbitration.
• Execution: Achieved 80%+ project goal completion across 10 consecutive quarters.
• Business Impact: Awarded eBay’s inaugural AI Business Impact Award (2025) by CEO Jamie Iannone. Delivered 86% of 2025 revenue goals in H1, surpassing $1B growth targets.
• Innovation: Architected next-gen training platform (20x faster velocity) and pioneered Mixture-of-Ranking-Experts, generating $300M+ incremental annual revenue.

• Team Leadership: Led 7+ scientists/engineers from proposal to prototype for Conversational Language Learning beta.
• Product Impact: Reduced false rejections by 10% and repeat failures by 15% in Alexa Translation; improved ASR WER by 5%.
• Research: Won 1st place at IWSLT 2022 for MT Formality Control; designed GPT-based paraphrasing pipelines boosting accuracy by 4%.

• Built deep learning models for clinical sequence prediction and designed clinical research database web apps for medical data analytics.

Dissertation: Topics in Interactive Search with Large Language Models

LEAD Program